## Welcome to BrainDen.com - Brain Teasers Forum

Welcome to BrainDen.com - Brain Teasers Forum. Like most online communities you must register to post in our community, but don't worry this is a simple free process. To be a part of BrainDen Forums you may create a new account or sign in if you already have an account. As a member you could start new topics, reply to others, subscribe to topics/forums to get automatic updates, get your own profile and make new friends. Of course, you can also enjoy our collection of amazing optical illusions and cool math games. If you like our site, you may support us by simply clicking Google "+1" or Facebook "Like" buttons at the top. If you have a website, we would appreciate a little link to BrainDen. Thanks and enjoy the Den :-) |

# 1 = 2 revisited

### #1

Posted 21 January 2013 - 11:35 AM

This demonstration probably occurs multiple times in the history of this forum.

Its fallacy depends on embedding, and cleverly hiding somewhere in the "analysis," a division by zero.

Which of course is not permitted. So regarding this matter our world is still a safe abode.

Nonetheless, this equality still has a life for puzzle solvers.

By the application of a familiar proof, the addition of a single well-known mathematical symbol,

and without resorting to prohibited mathematical operations, 1=2 can still be shown to be true.

Have fun, and please use spoilers.

*Vidi vici veni.*

### #2

Posted 21 January 2013 - 07:22 PM

### #3

Posted 21 January 2013 - 08:17 PM

### #4

Posted 22 January 2013 - 12:52 AM

### #5

Posted 22 January 2013 - 01:00 AM

Spoiler for a solid=solid induction=induction proof'=proof

Counter example to this proof =)

### #6

Posted 22 January 2013 - 01:05 AM

Spoiler for a solid=solid induction=induction proof'=proof

Counter example to this proof =)

Spoiler for

### #7

Posted 22 January 2013 - 09:24 PM

Good thinking so far, but it's not as complicated as it looks.

You'll just have to go a bit more outside the box.

*Vidi vici veni.*

### #8

Posted 23 January 2013 - 05:55 AM

Spoiler for Here's one

Actually not bad.

But not the solution I had in mind.

*Vidi vici veni.*

### #9

Posted 23 January 2013 - 08:33 PM

### #10

Posted 23 January 2013 - 09:01 PM

#### 0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users